# Noise Meter + vs 幸せ日記

The clearest difference is price: 幸せ日記 at Free against Noise Meter +'s $1.99. 幸せ日記 also leads on review sentiment (100% vs 77%). Noise Meter +'s advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

幸せ日記 is free to download; Noise Meter + costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Noise Meter + | 幸せ日記 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/noise-meter-plus/id789623736/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 77.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | — |
| Monetization | Paid | **Ad-supported** |
| Size | 4 MB | 24 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HUNG HSUN LIN](https://appshunter.io/developer/482586427) | [株式会社縁起](https://appshunter.io/developer/1824380696) |

## What reviewers say

### Noise Meter +

[App page](https://appshunter.io/ios/app/noise-meter-plus/id789623736)

Measure ambient sound levels with real-time plotting and customizable alerts. Record location data, attach multimedia notes, and export measurements for analysis.

**Highlights:** Real-time sound level plotting, Customizable measurement duration and frequency, Configurable sound level alerts, Location-based measurement mapping, Exportable measurement data (CSV), Attach photos, videos, and voice notes

**Features:** Vision Pro support

**In-app purchases:** none


### 幸せ日記

[App page](https://appshunter.io/ios/app/id6749824013)

This app helps you record daily moments of happiness and gratitude. It analyzes what makes you feel joyful and visualizes your emotional changes over time. Designed for ease of use, it supports mental well-being and self-esteem.

**Highlights:** Record happiness from selected themes, Analyze happiness patterns with graphs, Track daily happiness levels (1-10), Set reminders to prevent forgetting, Promotes gratitude and positive thinking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Noise Meter + free?

Noise Meter + costs $1.99, with no in-app purchases.

### Is 幸せ日記 free?

幸せ日記 is free to download, with no in-app purchases.

### Do Noise Meter + or 幸せ日記 have ads?

幸せ日記 shows ads; Noise Meter + does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*